Dog Gone, this is a business. The U.S. companies are selling those guns because they won the contracts. If the U.S. disappeared from the world market, then the Chinese, Russians, Belgians, Germans, Czechs, South Africans, Croatians, Turks, Swiss, Italians, Brazilians or many others would be more than happy to step up and fill those contracts for those customers.

FWM, I suppose in your view, those other countries which would export all the guns if we didn't, would also begin policing the world in order to ensure the continuation of four, not three any longer, but four perpetual wars.

Last year, China consumed more than 3bn tonnes of coal - more than triple the amount used by the United States. Chinese power stations generated 375m tonnes of coal ash, according to a Greenpeace report. This image shows Shentou number two power plant in Shuozhou, Shanxi province, its ash pond in the foreground